Remove curve448 architecture specific files

/*

 * Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.

 * Copyright 2016 Cryptography Research, Inc.

 *

 * Licensed under the OpenSSL license (the "License").  You may not use

 * this file except in compliance with the License.  You can obtain a copy

 * in the file LICENSE in the source distribution or at

 * https://www.openssl.org/source/license.html

 *

 * Originally written by Mike Hamburg

 */

#ifndef __ARCH_ARM_32_ARCH_INTRINSICS_H__

# define __ARCH_ARM_32_ARCH_INTRINSICS_H__

# define ARCH_WORD_BITS 32

static __inline__ __attribute((always_inline, unused))

uint32_t word_is_zero(uint32_t a)

{

    uint32_t ret;

    asm("subs %0, %1, #1;\n\tsbc %0, %0, %0": "=r"(ret): "r"(a):"cc");

    return ret;

}

static __inline__ __attribute((always_inline, unused))

uint64_t widemul(uint32_t a, uint32_t b)

{

    /*

     * Could be UMULL, but it's hard to express to CC that the registers must

     * be different

     */

    return ((uint64_t)a) * b;

}

#endif                          /* __ARCH_ARM_32_ARCH_INTRINSICS_H__ */